CN205448816U - Scale removal device of nitrogen water precooler - Google Patents
Scale removal device of nitrogen water precooler Download PDFInfo
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- CN205448816U CN205448816U CN201521002609.9U CN201521002609U CN205448816U CN 205448816 U CN205448816 U CN 205448816U CN 201521002609 U CN201521002609 U CN 201521002609U CN 205448816 U CN205448816 U CN 205448816U
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Abstract
The utility model discloses a scale removal device of nitrogen water precooler, include: cleaner storage device and cleaner conveying mechanism, cleaner storage device's input port connection in the cleaner delivery outlet of nitrogen water precooler, cleaner storage device's delivery outlet and cleaner conveying mechanism's input port connection, cleaner conveying mechanism's delivery outlet is connected in the cleaner input port of nitrogen water precooler. The utility model discloses a nitrogen water precooler is carried to the cleaner of cleaner conveying mechanism in with cleaner storage device, cleans the scale removal to the sieve surface of nitrogen water precooler and handles, and clean scale removal in the cleaner delivery outlet of nitrogen water precooler flows back cleaner storage device, is realized repeatedly again to the cleaner. At the scale removal in -process, need not the manual handling, not only reduced staff's intensity of labour, avoided the emergence that damages the condition of the sieve of nitrogen water precooler moreover, the change frequency that has prolonged the sieve to manufacturing cost has been reduced.
Description
Technical field
This utility model relates to chemical technology field, particularly relates to the apparatus for eliminating sludge of a kind of nitrogen water precooler.
Background technology
In the air separation unit of chemical industry, due to the reason such as water quality and heat exchange, often there is scale formation in the sieve plate of the nitrogen water precooler of chilldown system.The appearance of scale formation, the efficiency of economic operations of air separation unit can be largely effected on, time serious, result even in air separation unit and cannot normally produce and be forced out of service maintenance, thus delayed the commercial production of follow-up equipment, in turn result in the biggest economic loss.
At present, the mode that the sieve plate of nitrogen water precooler carries out scale removal is first to stop air separation unit, treats that chilldown system is out of service, then opens the manhole of nitrogen water precooler, then carries out air displacement with aerator.After air content is qualified, maintainer enters nitrogen water precooler, and with solder cutting gun scale removal block.But, the labor intensity of this scale removal mode is big, and every scale removal is once relatively big to the damages of screen deck of nitrogen water precooler, or is forced to change sieve plate, and its replacement cost is higher.
Utility model content
This utility model embodiment is by providing the apparatus for eliminating sludge of a kind of nitrogen water precooler, solve the technical problem that labor intensity in prior art is big, damage the sieve plate of nitrogen water precooler, it is achieved that reduce the labor intensity of staff and avoid damaging the technique effect of the sieve plate of nitrogen water precooler.
This utility model embodiment provides the apparatus for eliminating sludge of a kind of nitrogen water precooler, including: abluent storage device and abluent conveying mechanism；The input port of described abluent storage device is connected to the abluent delivery outlet of nitrogen water precooler；The delivery outlet of described abluent storage device is connected with the input port of described abluent conveying mechanism, and the delivery outlet of described abluent conveying mechanism is connected to the abluent input port of described nitrogen water precooler.
Further, the input port of described abluent storage device is connected by abluent reflux line with the abluent delivery outlet of described nitrogen water precooler；Described abluent reflux line is provided with reflux inlet.
Further, also include: drainage pipeline, drain valve, abluent reflux line, reflux inlet and heat-insulation layer；The cooling water input of described drainage pipeline is connected to the cooling water output of described nitrogen water precooler；Described drain valve is arranged on described drainage pipeline；First end of described abluent reflux line is through with described drainage pipeline to be connected, and the first end of described abluent reflux line is between the cooling water output and described drain valve of described nitrogen water precooler；Second end of described abluent reflux line is connected with the input port of described abluent storage device；Described reflux inlet is arranged on described abluent reflux line；Described heat-insulation layer is arranged on described drainage pipeline and the outside of described abluent reflux line.
Further, the described downward oblique cutting of abluent reflux line enters the input port of described abluent storage device, and the angle of the input port of described abluent reflux line and described abluent storage device is more than or equal to 12 °.
Further, described abluent conveying mechanism, including: pump, pump into pipeline and pump out pipeline；The delivery outlet of the described input and described abluent storage device pumping into pipeline is connected, described in pump into pipeline the abluent input port of outfan and described pump be connected；The delivery outlet of the described input and described pump pumping out pipeline is connected, described in pump out pipeline the abluent input port of outfan and described nitrogen water precooler be connected.
Further, described in pump into the downward oblique cutting of outfan of pipeline and enter the abluent input port of described pump, and described in pump into the outfan of the pipeline angle with the abluent input port of described pump more than or equal to 12 °.
Further, described abluent conveying mechanism, also include: the first valve and the second valve；Described first valve pumps on pipeline described in being arranged on；Described second valve pumps out on pipeline described in being arranged on.
Further, described abluent conveying mechanism, also include: bleeder valve；Described bleeder valve pumps out on pipeline described in being arranged on, and between described pump and described second valve.
Further, described abluent conveying mechanism, also include: Pressure gauge；Described Pressure gauge pumps out on pipeline described in being arranged on, and between described second valve and described bleeder valve.
Further, also include: processor；The signal input part of described processor is connected with described manometric signal output part signal；The signal output part of described processor is connected with described pump, described first valve, described second valve, the signal input part signal of described bleeder valve.
The one or more technical schemes provided in this utility model embodiment, at least have the following technical effect that or advantage:
1, by abluent conveying mechanism, the abluent in abluent storage device is transported to nitrogen water precooler, the floor lever of sieve tray of nitrogen water precooler is cleaned dirty removing processing, abluent abluent delivery outlet through nitrogen water precooler again is back in abluent storage device, it is achieved repeatedly clean scale removal.During scale removal, it is not necessary to artificial treatment, not only reduce the labor intensity of staff, and avoid the generation of the situation of the sieve plate damaging nitrogen water precooler, extend the replacement frequency of sieve plate, thus reduce production cost.
2, by the use to heat-insulation layer, it is to avoid cooling water absorbs heat from pipeline and causes water temperature to raise, thus ensure that the heat transfer effect of follow-up heat exchange operation.
3, by the use to bleeder valve, it is achieved that to the residue remained in pipeline and the discharge of waste liquid, thus ensure that scale removal effect.
4, by manometric use, it is achieved that the measurement to the pressure in pipeline, it is ensured that abluent can be pumped out smoothly, thus ensure that being normally carried out of scale removal operation.
5, by the use to processor, improve the automaticity of device, thus improve working performance.
Accompanying drawing explanation
The structural representation of the apparatus for eliminating sludge of the nitrogen water precooler that Fig. 1 provides for this utility model embodiment.
Wherein, 1-abluent storage device, 2-nitrogen water precooler, 3-abluent reflux line, 4-reflux inlet, 5-drainage pipeline, 6-drain valve, 7-pump, 8-pumps into pipeline, and 9-pumps out pipeline, 10-the first valve, 11-the second valve, 12-bleeder valve, 13-Pressure gauge, 14-the 3rd valve, 15-inlet channel.
Detailed description of the invention
This utility model embodiment is by providing the apparatus for eliminating sludge of a kind of nitrogen water precooler, solve the technical problem that labor intensity in prior art is big, damage the sieve plate of nitrogen water precooler, it is achieved that reduce the labor intensity of staff and avoid damaging the technique effect of the sieve plate of nitrogen water precooler.
Technical scheme in this utility model embodiment is for solving above-mentioned technical problem, and general thought is as follows:
By abluent conveying mechanism, the abluent in abluent storage device is transported to nitrogen water precooler, the floor lever of sieve tray of nitrogen water precooler is cleaned dirty removing processing, abluent abluent delivery outlet through nitrogen water precooler again is back in abluent storage device, it is achieved repeatedly clean scale removal.During scale removal, it is not necessary to artificial treatment, not only reduce the labor intensity of staff, and avoid the generation of the situation of the sieve plate damaging nitrogen water precooler, extend the replacement frequency of sieve plate, thus reduce production cost.
In order to be more fully understood that technique scheme, below in conjunction with Figure of description and specific embodiment, technique scheme is described in detail.
See Fig. 1, the apparatus for eliminating sludge of the nitrogen water precooler that this utility model embodiment provides, including: abluent storage device 1 and abluent conveying mechanism；The input port of abluent storage device 1 is connected to the abluent delivery outlet of nitrogen water precooler 2；The delivery outlet of abluent storage device 1 is connected with the input port of abluent conveying mechanism, and the delivery outlet of abluent conveying mechanism is connected to the abluent input port of nitrogen water precooler 2.
In the present embodiment, the abluent delivery outlet of nitrogen water precooler 2 is positioned at the bottom of nitrogen water precooler 2, and the abluent input port of nitrogen water precooler 2 is positioned at the top of nitrogen water precooler 2.
This utility model embodiment provides two kinds of return flow paths of abluent, and the first return flow path of abluent includes: the input port of abluent storage device 1 is connected by abluent reflux line 3 with the abluent delivery outlet of nitrogen water precooler 2；Abluent reflux line 3 is provided with reflux inlet 4.
The second return flow path of abluent includes: drainage pipeline 5, drain valve 6, abluent reflux line 3, reflux inlet 4 and heat-insulation layer；The cooling water input of drainage pipeline 5 is connected to the cooling water output of nitrogen water precooler 2；Drain valve 6 is arranged on drainage pipeline 5；First end of abluent reflux line 3 is through with drainage pipeline 5 to be connected, and the first end of abluent reflux line 3 is between the cooling water output and drain valve 6 of nitrogen water precooler 2；Second end of abluent reflux line 3 is connected with the input port of abluent storage device 1；Reflux inlet 4 is arranged on abluent reflux line 3；Heat-insulation layer is arranged on drainage pipeline 5 and the outside of abluent reflux line 3.
Whether the first return flow path, or the second return flow path, has: the downward oblique cutting of abluent reflux line 3 enters the input port of abluent storage device 1, and the angle of the input port of abluent reflux line 3 and abluent storage device 1 is more than or equal to 12 °.So, the abluent bottom nitrogen water precooler 2 can be back to abluent storage device 1 by cleaned dose of reflux line 3 of action of gravity.
The structure of the abluent conveying mechanism in this utility model embodiment is illustrated, abluent conveying mechanism, including: pump 7, pump into pipeline 8 and pump out pipeline 9；The delivery outlet of the input and abluent storage device 1 that pump into pipeline 8 is connected, and the abluent input port of the outfan and pump 7 that pump into pipeline 8 is connected；The delivery outlet of the input and pump 7 that pump out pipeline 9 is connected, and the abluent input port of the outfan and nitrogen water precooler 2 that pump out pipeline 9 is connected.
Being further described the structure of abluent conveying mechanism, the downward oblique cutting of outfan pumping into pipeline 8 enters the abluent input port of pump 7, and pumps into the outfan of pipeline 8 angle with the abluent input port of pump 7 more than or equal to 12 °.So, the abluent in abluent storage device 1 can be entered pump 7 by action of gravity through pumping into pipeline 8.
The structure of abluent conveying mechanism is illustrated further, abluent conveying mechanism, also include: the first valve 10 and the second valve 11；First valve 10 is arranged on and pumps on pipeline 8；Second valve 11 is arranged on and pumps out on pipeline 9.
Need exist for explanation, when pumping out pipeline 9 and being longer, pump out pipeline 9 to cut off when pumping out pipeline 9 and/or the second valve 11 occurs to leak, be provided with the 3rd valve 14 pumping out pipeline 9 one end away from pump 7.
In order to residue and the waste liquid of residual in pipeline are discharged, thus ensure scale removal effect, abluent conveying mechanism, also include: bleeder valve 12；Bleeder valve 12 is arranged on and pumps out on pipeline 9, and between pump 7 and the second valve 11.
In order to the pressure in pipeline is measured, thus ensure that abluent can be pumped out smoothly, and then ensure being normally carried out of scale removal operation, in the present embodiment, abluent conveying mechanism, also include: Pressure gauge 13；Pressure gauge 13 is arranged on and pumps out on pipeline 9, and between the second valve 11 and bleeder valve 12.
In order to improve the automaticity of this utility model embodiment, also include: processor；The signal input part of processor is connected with the signal output part signal of Pressure gauge 13；The signal output part of processor is connected with pump the 7, first valve the 10, second valve the 11, the 3rd valve 14, bleeder valve 12, drain valve 6, the signal input part signal of reflux inlet 4.
In the present embodiment, abluent storage device 1 is rustless steel case, and specification is 2000 × 2000 × 2000mm.The type of pump 7 is plunger displacement pump, and operating pressure is 1.2Mpa, and working flow is 50m3/h.Pump into pipeline 8, pump out pipeline 9, abluent reflux line 3 is stainless steel flexible hose.
When mounted, on the drainage pipeline 5 being positioned at bottom nitrogen water precooler 2, the carbon steel piping of perforate welding DN100, is connected this utility model embodiment with one end of abluent reflux line 3.On the inlet channel 15 being positioned at nitrogen water precooler 2 top, the carbon steel piping of perforate welding DN80, is connected with the one end pumping out pipeline 9.
The step that the apparatus for eliminating sludge provided by this utility model embodiment carries out scale removal to the floor lever of sieve tray of nitrogen water precooler 2 is: first open bleeder valve 12, discharges residue and the waste liquid of residual in pipeline.Again abluent storage device 1 being filled it up with medicine, open the first valve the 10, second valve 11 and the 3rd valve 14, medicine enters pump 7 from pumping into pipeline 8.Through pumping out pipeline 9 after being forced into 1.2Mpa, inlet channel 15 enters nitrogen water precooler 2, is carried out the sieve plate of nitrogen water precooler 2 from top to bottom.Medicine is back to abluent storage device 1 through abluent reflux line 3 after collecting in the bottom of nitrogen water precooler 2, the most repeatedly, is achieved that wash cycles reaches the purpose of scale removal.
[technique effect]
1, by abluent conveying mechanism, the abluent in abluent storage device 1 is transported to nitrogen water precooler 2, the floor lever of sieve tray of nitrogen water precooler 2 is cleaned dirty removing processing, abluent abluent delivery outlet through nitrogen water precooler 2 again is back in abluent storage device 1, it is achieved repeatedly clean scale removal.During scale removal, it is not necessary to artificial treatment, not only reduce the labor intensity of staff, and avoid the generation of the situation of the sieve plate damaging nitrogen water precooler 2, extend the replacement frequency of sieve plate, thus reduce production cost.
2, by the use to heat-insulation layer, it is to avoid cooling water absorbs heat from pipeline and causes water temperature to raise, thus ensure that the heat transfer effect of follow-up heat exchange operation.
3, by the use to bleeder valve 12, it is achieved that to the residue remained in pipeline and the discharge of waste liquid, thus ensure that scale removal effect.
4, by the use to Pressure gauge 13, it is achieved that the measurement to the pressure in pipeline, it is ensured that abluent can be pumped out smoothly, thus ensure that being normally carried out of scale removal operation.
5, by the use to processor, improve the automaticity of device, thus improve working performance.
6, plunger displacement pump selected by the pump 7 in this utility model embodiment, and such pump has the advantages such as rated pressure height, compact conformation, efficiency height and Flow-rate adjustment convenience.
7, pumping into pipeline 8, pump out pipeline 9 and abluent reflux line 3 is stainless steel flexible hose in this utility model embodiment.Stainless steel flexible hose can appropriateness bend, to adapt to the connection of diverse location, convenient and practical, thus improves the suitability of this utility model embodiment.
Although having been described for preferred embodiment of the present utility model, but those skilled in the art once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of this utility model scope.
Obviously, those skilled in the art can carry out various change and modification without deviating from spirit and scope of the present utility model to this utility model.So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (10)
1. the apparatus for eliminating sludge of a nitrogen water precooler, it is characterised in that including: abluent storage device and abluent conveying mechanism；The input port of described abluent storage device is connected to the abluent delivery outlet of nitrogen water precooler；The delivery outlet of described abluent storage device is connected with the input port of described abluent conveying mechanism, and the delivery outlet of described abluent conveying mechanism is connected to the abluent input port of described nitrogen water precooler.
2. device as claimed in claim 1, it is characterised in that the input port of described abluent storage device is connected by abluent reflux line with the abluent delivery outlet of described nitrogen water precooler；Described abluent reflux line is provided with reflux inlet.
3. device as claimed in claim 1, it is characterised in that also include: drainage pipeline, drain valve, abluent reflux line, reflux inlet and heat-insulation layer；The cooling water input of described drainage pipeline is connected to the cooling water output of described nitrogen water precooler；Described drain valve is arranged on described drainage pipeline；First end of described abluent reflux line is through with described drainage pipeline to be connected, and the first end of described abluent reflux line is between the cooling water output and described drain valve of described nitrogen water precooler；Second end of described abluent reflux line is connected with the input port of described abluent storage device；Described reflux inlet is arranged on described abluent reflux line；Described heat-insulation layer is arranged on described drainage pipeline and the outside of described abluent reflux line.
4. device as claimed in claim 2 or claim 3, it is characterized in that, the described downward oblique cutting of abluent reflux line enters the input port of described abluent storage device, and the angle of the input port of described abluent reflux line and described abluent storage device is more than or equal to 12 °.
5. device as claimed in claim 1, it is characterised in that described abluent conveying mechanism, including: pump, pumps into pipeline and pumps out pipeline；The delivery outlet of the described input and described abluent storage device pumping into pipeline is connected, described in pump into pipeline the abluent input port of outfan and described pump be connected；The delivery outlet of the described input and described pump pumping out pipeline is connected, described in pump out pipeline the abluent input port of outfan and described nitrogen water precooler be connected.
6. device as claimed in claim 5, it is characterised in that described in pump into the downward oblique cutting of outfan of pipeline and enter the abluent input port of described pump, and described in pump into the outfan of the pipeline angle with the abluent input port of described pump more than or equal to 12 °.
7. device as claimed in claim 5, it is characterised in that described abluent conveying mechanism, also includes: the first valve and the second valve；Described first valve pumps on pipeline described in being arranged on；Described second valve pumps out on pipeline described in being arranged on.
8. device as claimed in claim 7, it is characterised in that described abluent conveying mechanism, also includes: bleeder valve；Described bleeder valve pumps out on pipeline described in being arranged on, and between described pump and described second valve.
9. device as claimed in claim 8, it is characterised in that described abluent conveying mechanism, also includes: Pressure gauge；Described Pressure gauge pumps out on pipeline described in being arranged on, and between described second valve and described bleeder valve.
10. device as claimed in claim 9, it is characterised in that also include: processor；The signal input part of described processor is connected with described manometric signal output part signal；The signal output part of described processor is connected with described pump, described first valve, described second valve, the signal input part signal of described bleeder valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521002609.9U CN205448816U (en) | 2015-12-04 | 2015-12-04 | Scale removal device of nitrogen water precooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521002609.9U CN205448816U (en) | 2015-12-04 | 2015-12-04 | Scale removal device of nitrogen water precooler |
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| Publication Number | Publication Date |
|---|---|
| CN205448816U true CN205448816U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521002609.9U Expired - Fee Related CN205448816U (en) | 2015-12-04 | 2015-12-04 | Scale removal device of nitrogen water precooler |
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| CN (1) | CN205448816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542345A (en) * | 2019-09-10 | 2019-12-06 | 浙江石油化工有限公司 | cleaning device and cleaning method for acetaldehyde scaling heat exchanger |
-
2015
- 2015-12-04 CN CN201521002609.9U patent/CN205448816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542345A (en) * | 2019-09-10 | 2019-12-06 | 浙江石油化工有限公司 | cleaning device and cleaning method for acetaldehyde scaling heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170726 Address after: 430080, Baiyu mountain, Wuhan City, Hubei province (Gate No. 20, Wuhan) Patentee after: Wuhan iron and Steel Group Gas Co Ltd Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20201204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |